INTRODUCTION
Torque values for Inch O-Ring Boss (ORB) port non-adjustable connections
S-Series *
L-Series **
SAE
dash size
UN/UNF
thread size
Inch tube
OD
mm (in)
Ferrous
N·m (lb ft)
± 10%
Non-
Ferrous
N·m (lb ft)
± 10%
Ferrous
N·m (lb ft)
± 10%
Non-
Ferrous
N·m (lb ft)
± 10%
2
5/16-24
3.18 (0.125)
–
–
8.5 (6.3)
5 (3.7)
3
3/8-24
4.76 (0.187)
15.5 (11.4)
9.3 (6.9)
10.5 (7.7)
6.3 (4.6)
4
7/16-20
6.35 (0.250)
37 (27.3)
22 (16.2)
19 (14)
11.5 (8.5)
5
1/2-20
7.94 (0.313)
42 (31)
25 (18.4)
26 (19.2)
15.5 (11.4)
6
9/16-18
9.52 (0.375)
47 (34.7)
28 (20.7)
32 (23.6)
19 (14)
8
3/4-16
12.7 (0.500)
89 (65.6)
53 (39.1)
53 (39.1)
32 (23.6)
10
7/8-14
15.88 (0.625)
121 (89.2)
73 (53.8)
63 (46.5)
38 (28)
12
1-1/16-12
19.05 (0.750)
178 (131.3)
107 (78.9)
100 (73.8)
60 (44.3)
14
1-3/16-12
22.22 (0.875)
225 (166)
135 (99.6)
131 (96.6)
79 (58.3)
16
1-5/16-12
25.4 (1.000)
283 (208.7)
170 (125.4)
156 (115.1)
94 (69.3)
20
1-5/8-12
31.75 (1.250)
300 (221.3)
180 (132.8)
210 (154.9)
126 (92.9)
24
1-7/8-12
38.1 (1.500)
388 (286.2)
233 (171.9)
220 (162.3)
132 (97.4)
32
2-1/2-12
50.8 (2.000)
388 (286.2)
233 (171.9)
315 (232.3)
189 (139.4)
* S-Series connectors are used with O-Ring Face Seals (ORFS).
** L-Series connectors are used with
37°
flare.
Torque values for inch O-Ring Boss (ORB) port adjustable connections
S-Series *
L-Series **
SAE
dash size
UN/UNF
thread size
Inch tube
OD
mm (in)
Ferrous
N·m (lb ft)
± 10%
Non-
Ferrous
N·m (lb ft)
± 10%
Ferrous
N·m (lb ft)
± 10%
Non-
Ferrous
N·m (lb ft)
± 10%
2
5/16-24
3.18 (0.125)
–
–
8.5 (6.3)
5 (3.7)
3
3/8-24
4.76 (0.187)
10.5 (7.7)
9.3 (6.9)
10.5 (7.7)
6.3 (4.6)
4
7/16-20
6.35 (0.250)
21 (15.5)
21 (15.5)
19 (14)
11.5 (8.5)
5
1/2-20
7.94 (0.313)
42 (31)
25 (18.4)
26 (19.2)
15.5 (11.4)
6
9/16-18
9.52 (0.375)
47 (34.7)
28 (20.7)
32 (23.6)
19 (14)
8
3/4-16
12.7 (0.500)
89 (65.6)
53 (39.1)
53 (39.1)
32 (23.6)
10
7/8-14
15.88 (0.625)
121 (89.2)
73 (53.8)
63 (46.5)
38 (28)
12
1-1/16-12
19.05 (0.750)
178 (131.3)
107 (78.9)
100 (73.8)
60 (44.3)
14
1-3/16-12
22.22 (0.875)
225 (166)
135 (99.6)
131 (96.6)
79 (58.3)
16
1-5/16-12
25.4 (1.000)
285 (210.2)
170 (125.4)
156 (115.1)
94 (69.3)
20
1-5/8-12
31.75 (1.250)
300 (221.3)
180 (132.8)
210 (154.9)
126 (92.9)
24
1-7/8-12
38.1 (1.500)
388 (286.2)
233 (171.9)
220 (162.3)
132 (97.4)
32
2-1/2-12
50.8 (2.000)
388 (286.2)
233 (171.9)
315 (232.3)
189 (139.4)
* S-Series connectors are used with O-Ring Face Seals (ORFS).
** L-Series connectors are used with
37°
flare.
48144025 23/06/2017
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